D the uievival and reproduction of incividuals is pot random. II. In an eccuysteen, ficfors auch as food supply. climate, and predator population are keown as which of the Follawiag? A. Fivolutionary catatystc. B. Selestion prestures, C. Darwin'y tules: D. Survival of the fictest. 12. A bacteriologist places an antibkic ifrut in a preni dish centaining a strain of F . colf bacierin, Hlow is this. likely to affoct the bacterial populaticen? A. The Aacteria will sense the need to develop a resiutance to the antitiotis, which they will pass on to the resultiog genctation. 8. The initial sirain will be able to develop a resiitance, but since it will not change the geretic code, the next yeneration wiat be vulnerable to it and die eut. C. The aatibiotie will always kill the entife perpulation of bacteria. D. Existing variants that are more resistance to the antibsetle will savive and maltiply, and eventually the revalting population will becume resistant. 33. A fish biologist colkets guppies from a stream with predators that loyy in on bright coloring and place them in a stream that lacks prodators. Which of the following codld be predicted to occur? A. Crippies would bocome more colorful. 1i. Ginppies would becoune less colorflal. C. Geppics would not change is coloration. D. Cuppies would evolve to have females prefer less colorful males. 34. Which of these cotiditions should completely prevent the occurrence af natural selection in a popalation ower tirtic? A. All variation between individuais is doe oaly to enviroumental factors. B. The environment is changing at a relatively show rate. C. The population sive is large. D. The population lives in a hathitat where there are few pecdators pecsent. 35. Given a population chat contains genctic variation, what is the correct sequence of the followinge events, under the influence of natural seloctioa? 1. Well-adapted individuals leave more oflspring than poorly adapted individuals. 2. A change occurs in the emvironment. 3. Gehetic frequencies within the popelation change. 4. Poorly adapted individuals have decreased survivorship. A , 2 4 1 3 B. 4 2 1 3 C : 4 1 2 3 D. 2 4 3 1 36. Neutraf alleles are those that do not alter fitness; the average reproductive suceess does not differ between individuats that carry one neulral allele or another. A. TrueB. False 37. Humans are among the most genetically diverse species on the planet. A. True B. False 38. Which ot the following best describes somatic line mutations? A. Most are beneficinl to the organism, but not the offspring, B. Most are passed on to the offspring. C. Most do not pass on to the offispring. D. Most occur in plants, but not in animtats. 39. A single mutation affects multiple traits through which process? A. Epistasis, B. Gene duplication. C. Pleiotropy, D. Recombination. nitinatien 1) Surv nul of she fitent. A. Giegeres woplat bopume move coloefial. 11. Cuppiesi woind hecone kesi colortit. timeit C. The porulation siotis Laree. 1). The popul.

1. D the uievival and reproduction of incividuals is pot random. II. In an eccuysteen, ficfors auch as
food supply. climate, and predator population are keown as which of the Follawiag? A.
Fivolutionary catatystc. B. Selestion prestures, C. Darwin'y tules: D. Survival of the fictest. 12. A
bacteriologist places an antibkic ifrut in a preni dish centaining a strain of F . colf bacierin, Hlow
is this. likely to affoct the bacterial populaticen? A. The Aacteria will sense the need to develop a
resiutance to the antitiotis, which they will pass on to the resultiog genctation. 8. The initial
sirain will be able to develop a resiitance, but since it will not change the geretic code, the next
yeneration wiat be vulnerable to it and die eut. C. The aatibiotie will always kill the entife
perpulation of bacteria. D. Existing variants that are more resistance to the antibsetle will savive
and maltiply, and eventually the revalting population will becume resistant. 33. A fish biologist
colkets guppies from a stream with predators that loyy in on bright coloring and place them in a
stream that lacks prodators. Which of the following codld be predicted to occur? A. Crippies
would bocome more colorful. 1i. Ginppies would becoune less colorflal. C. Geppics would not
change is coloration. D. Cuppies would evolve to have females prefer less colorful males. 34.
Which of these cotiditions should completely prevent the occurrence af natural selection in a
popalation ower tirtic? A. All variation between individuais is doe oaly to enviroumental factors.
B. The environment is changing at a relatively show rate. C. The population sive is large. D. The
population lives in a hathitat where there are few pecdators pecsent. 35. Given a population chat
contains genctic variation, what is the correct sequence of the followinge events, under the
influence of natural seloctioa? 1. Well-adapted individuals leave more oflspring than poorly
adapted individuals. 2. A change occurs in the emvironment. 3. Gehetic frequencies within the
popelation change. 4. Poorly adapted individuals have decreased survivorship. A , 2 4 1 3 B. 4 2
1 3 C : 4 1 2 3 D. 2 4 3 1 36. Neutraf alleles are those that do not alter fitness; the average
reproductive suceess does not differ between individuats that carry one neulral allele or another.
A. TrueB. False 37. Humans are among the most genetically diverse species on the planet. A.
True B. False 38. Which ot the following best describes somatic line mutations? A. Most are
beneficinl to the organism, but not the offspring, B. Most are passed on to the offspring. C. Most
do not pass on to the offispring. D. Most occur in plants, but not in animtats. 39. A single
mutation affects multiple traits through which process? A. Epistasis, B. Gene duplication. C.
Pleiotropy, D. Recombination. nitinatien 1) Surv nul of she fitent. A. Giegeres woplat bopume
move coloefial. 11. Cuppiesi woind hecone kesi colortit. timeit C. The porulation siotis Laree. 1).
The population lives in a habitat where there re few predason gresent the inflaence of natural
selection? 2. A change accuts in the ensironmcer. 3. Eienetic frequeneies within the popeliating
charye cin 2 + 4 1 3 Hi 4 = 2 + 2 = 1 + 1 + 1 4 4 1 m + 2 3 D. 2 4 3 = 1 individuak ihat carry otie
neintal allele or anothir. A. Iras 2. False A. True i. False 38. Which of the followiny best
describes somatic line mitations? 4. Most are berieficial to fhe organimi, but not the of ispeing.
13. Nhas are passed on bo the offipring E. Mopit do not puss ou ta the offspenive: [). Most oceur
in plants, hat not in mainals. 9. A siogle mutation affocts raulciple tru an through which process?
. Fpintasts. B. Gere doptication. C.fleiotropy; D. Recotnbinsaion.